Plug gauge



Jan. 7, 1969 v ROWE, R 3,419,966

PLUG GAUGE Filed NOV. 18, 1966 FIG. "I-

INVENTOR.

Zak-6L M ATTORNEY I FRANK E. R0WE,JR.I

United States Patent 1 Claim ABSTRACT OF THE DISCLOSURE A plug gauge to check the out of roundness of a circular opening and to check the levelness of a horizontally mounted member. The gauge is a truncated member with a circular cross section and has a fiat surface at the top thereof for placement of a level thereon.

This invention relates generally to gauges to measure out of roundness of a circular opening and more particularly to a plug gauge to check the roundness of a spinning ring for a textile processing apparatus.

Prior to this invention the accuracy of the roundness of the spinning ring of a spinning frame was checked by removing the spindle and inserting a solid bladed member into the opening of the spinning ring. This member had to be rotated to a number of positions to get an accurate picture of the roundness of the spinning ring. The removal and replacement of the spindle was very time consuming when you consider that there may be upward to 300 spindles on a single spinning frame. Also, the time consumed checking each spinning ring with the prior art gauges is enormous when you multiply this time by the number of spindles on each frame and by the average number of frames in a textile mill.

Therefore, it is an object of this invention to provide a device which can be readily employed to check the roundness of a circular opening without the expenditure of a large amount of time.

Another object of the invention is to provide a gauge for a spinning frame which can be employed to check the roundness of the spinning ring without removal of the spindle.

A still further object is to provide a combination plug gauge which will accurately check the roundness of the .spinning ring of a spinning frame and can be employed to also check whether the ring is level.

Otherobjects and advantages of my invention will become apparent as the specification proceeds to describe the invention with reference to the accompanying drawings in which:

FIGURE 1 is a cross-sectional view of the new and improved gauge in operative position in the spinning ring;

FIGURE 2 is a top view of the gauge and spindle of FIGURE 1; and

FIGURE 3 is a top view of a level which can be employed with the gauge of FIGURES 1 and 2.

Looking now to the drawings and in particular to FIG- URES 1 and 2 the new and improved plug gauge is shown telescoped over a spindle 12 into the circular opening 14 of a spinning ring 16. As is well known in the art the spinning ring 16 is mounted on the ring rail 18 of a spinning frame (not shown) and cooperates therewith to aid in building yarn on a bobbin (not shown) which is normally mounted on the spindle 12 as the ring rail reciprocates up and down in a controlled path.

For the most efiicient operation of the spinning frame it is necessary that the spinning ring be as perfectly round and level as possible. Periodically, it is therefore necessary to check the roundness of each spinning ring 16 on each spinning frame.

To accomplish the above inspection, the bobbin (not shown) is removed from the spindle 12 and the plug gauge 10, which has an opening 30 through its length larger in diameter than the spindle, is telescoped thereover and into the spinning ring opening 14 until the sloping wall 20 snugly contacts the inside diameter of the upper flange 17 of the ring. The outside wall surface 20 is perfectly round and smooth and is tapered to accommodate variorus diameter spinning rings. Since the wall surface 20 is continuous and completely fills the opening 14 and point where there is no contact between the Wall surface 20 and the opening 14 indicates a point where the ring 16 is out of round. To further enhance this observation a light may be placed under the ring rail and will shine through at any point where there is no contact between the opening 14 and wall surface 20.

To check whether the spinning ring 16 is level a groove 22 is out or milled in the upper portion of the gauge 10 and culminates in a flat smooth surface 24 which extends completely around the periphery of the gauge 10. Any suitable level, such as the right angle level 26 shown in FIGURE 3, can then be placed on the surface 24 and the levelness of the spinning ring 16 can be checked by observing the position of the bubbles in the bubble containers 28 on the level 26.

To enhance handling and rotation of the plug gauge 10, the upper peripheral surface of the gauge is knurled as at 32. This knurling allows the gauge to be readily gripped and rotated due to the increased friction between the knurling 28 and the operators fingers.

The above-described plug gauge is obviously very simple in construction, easily and efliciently employed and does not require a considerable amount of lost production time of the spinning frame in its use. Furthermore, the use of the herein described plug gauge does not require the removal of the spindle.

While the apparatus disclosed and described herein constitutes the preferred form of the invention, it will be understood that the apparatus is capable of alteration Without departing from the spirit of the invention, and that all modifications that fall within the scope of the appended claim are intended to be included therein.

That which is claimed is:

1. A plug gauge to measure the roundness of a circular opening of a spinning ring comprising: a truncated member having a circular cross section, an opening in said member extending throughout the length thereof, the outer wall surface of said truncated member being substantially continuous and imperforate, and a semi-circular groove formed in the outer surface of said truncated member culminating in an outwardly extending flat surface substantially perpendicular to the axis of said truncated member and being adapted to receive a level to check the levelness of said truncated member when it is inserted in said spinning ring.

References Cited UNITED STATES PATENTS 1,210,963 l/l917 Mascher 33l78 2,038,602 4/ 1936 Redinger 3317-8 X 2,441,343 5/1948 Becker 8814 2,580,412 l/1952 Darmody 33l78 3,218,838 11/1965 Beckwel'l 72-370 SAMUEL S. MATTHEWS, Primary Examiner. 

